Maybe with a recurve from tacotunes or a similar product. Though I guess it all depends on what your definition of "good" is. If you want it to sound great, I wouldn't just use a line out converter. If you just want to make your mirrors shake and feel some deep bass than a line output converter will get the job done. A line output converter is pretty cheap, so you can always set it up that way and if you don't like the quality, upgrade.

I went with one 12. Sounds great but wish I went with two 10s. The problem with the stock head unit is the bass roll off. If you have the base radio, do yourself a favor and just go with a new head unit and it will sound great. If you have a factory nav or touch screen and want to keep it, there are a couple devices that add the bass back in. I returned the audiocontrol unit I tried for this because while it added bass back in, it was more of the base from a guitar and not drums. Not to mention it amplified a dirty signal from the factory head unit on my other speakers, but you wouldn't have to worry about that if you dont mess with those.

If you want it to sound amazing and keep the factory head unit, go with the Recurve EZQ from TacoTunes. But I would also recommend replacing the door speakers and adding another amp for them. I ran into some issues just trying to use the recurve for one amp and 2-10's. The stock Toyota amp that powers the door speakers wouldn't allow it to work. I have to replace it (waiting on amp to ship to me now ) in order to get any sound to come through. It's easy to hook up though as it's all plug and play.

Just curious how the ReCurve EZQ is? I'm thinking of going this route since it allows you to use your stock head unit & not have to use a line converter. I would like to add this in addition to an amp (haven't decided which one) as well as a sub (preferably 8's if JL Audio makes a stealth box for them). Would the EZCurve be enough for the main speakers (front and back) and just have the additional amp power the sub(s)? Or would I still require an amp for the front/back speakers in addition to the EZCurve & sub amp? It's been a LONG time since I've been into car audio so forgive the rookie question.

I think I may eventually replace the front & back speakers (maybe with JL Audio or MB Quart) but baby steps; so I figured I'd start w/ the amp(s) & sub.

Just curious how the ReCurve EZQ is? I'm thinking of going this route since it allows you to use your stock head unit & not have to use a line converter. I would like to add this in addition to an amp (haven't decided which one) as well as a sub (preferably 8's if JL Audio makes a stealth box for them). Would the EZCurve be enough for the main speakers (front and back) and just have the additional amp power the sub(s)? Or would I still require an amp for the front/back speakers in addition to the EZCurve & sub amp? It's been a LONG time since I've been into car audio so forgive the rookie question.

I think I may eventually replace the front & back speakers (maybe with JL Audio or MB Quart) but baby steps; so I figured I'd start w/ the amp(s) & sub.

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I had multiple issues when installing the ReCurve EZQ.... One issue was that I had to disconnect the stock amp that is under the front passenger seat that powers the door speakers, and when installing it, I couldn't get the test tones to work properly to get the EZQ set up. Also, I was getting a lot of extra noise through one of the outputs of the EZQ and I still am. I am actually waiting to order a different line out convertor/equalizer to replace the TacoTunes one. I've had too many issues with it and it's been too long to return it. I was looking at ordering this ---> http://www.crutchfield.com/p_161LCQ1G/AudioControl-LCQ-1-Gray.html?tp=61671

When using either one though, you'll still need to install an amp for the doors and one for the subs.

Thanks for the report. Sorry to hear about your issues with the EZQ. I was contemplating the AudioControl LCQ as well so now this just makes the decision easier. I know AudioControl has had a good reputation for making solid products for quite some time so I'd be curious to hear how your installation goes & how it performs once you have it installed & running.

I'll probably go with a small amp to run the doors then. I plan on swinging by one of the local car audio shops this week to get their recommendation/advise on amps, etc..I'll more than likely have them or the tint shop do the installation for me.

I went with what I took out of my '09 Tacoma... it's a 1000 watt monoblock Rockford Fosgate amp powering two Rockford Fosgate shallow P3's in a slotted/ported Fox box. Then I added a cheap 75x4 rms watt amp for the DB drive components in the doors. It sounds alright at the moment, but I know it'll be amazing when I replace that recurve.